31. Number 1208 - The Shop and Maintenance Center for Home and Farm: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
32. Number 1209 - Blackleg of Cabbage and Other Crucifers: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
33. Number 1213 - What's In Home Cleaning Products and Why?: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
34. Number 922, Edition Revised - Home Lawns: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
35. Number 1022: Bulletin Collection: Core Historical Literature of Agriculture Publisher: Cornell University Agricultural Experiment Station, New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
36. Volume 1968: Cornell recommendations for commercial floriculture crops Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture and Life Sciences, Cornell University Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
37. Volume 1968: Cornell recommends for field crops Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
38. Volume 1968, Edition Revised: Cornell recommendations for commercial production and maintenance of trees and shrubs Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
39. Number 405 - Taxonomic Revision of the Nearctic Genus Acanthomyops (Hymenoptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
40. Number 406 - Pollination and Serological Procedures for Isolating Incompatibility Genotypes in the Crucifers: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue